Clocks and how they go

Clocks and how they go

Author:
Series: Episodes, Episode 103
Tag: Episode 103
Publisher: Crowell
Publication Year: 1979
ASIN: 0690039735
ISBN: 0690039735

**Description from Amazon: Describes the weight clock and the spring clock and how they work.

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About the Book

**Description from Amazon: Describes the weight clock and the spring clock and how they work.

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